H04M 2203/00
Aspects of automatic or semi-automatic exchanges
H04M2203/00 (Aspects of automatic or semi-automatic exchanges) appears on 12,696 US grants and 12,449 published applications in this corpus.
Search patents in H04M- Granted patents
- 12,696
- Published applications
- 12,449
- Assignees
- 2,601
- Inventors
- 18,914
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 6 | 0 |
| 1987 | 4 | 0 |
| 1988 | 12 | 0 |
| 1989 | 9 | 0 |
| 1990 | 15 | 0 |
| 1991 | 17 | 0 |
| 1992 | 8 | 0 |
| 1993 | 17 | 0 |
| 1994 | 25 | 0 |
| 1995 | 40 | 0 |
| 1996 | 51 | 0 |
| 1997 | 60 | 0 |
| 1998 | 87 | 0 |
| 1999 | 147 | 0 |
| 2000 | 146 | 0 |
| 2001 | 167 | 95 |
| 2002 | 192 | 374 |
| 2003 | 214 | 407 |
| 2004 | 262 | 454 |
| 2005 | 225 | 510 |
| 2006 | 359 | 499 |
| 2007 | 292 | 616 |
| 2008 | 261 | 596 |
| 2009 | 282 | 561 |
| 2010 | 339 | 508 |
| 2011 | 457 | 453 |
| 2012 | 629 | 460 |
| 2013 | 745 | 589 |
| 2014 | 792 | 618 |
| 2015 | 690 | 556 |
| 2016 | 658 | 615 |
| 2017 | 781 | 616 |
| 2018 | 719 | 574 |
| 2019 | 748 | 511 |
| 2020 | 724 | 572 |
| 2021 | 574 | 614 |
| 2022 | 520 | 472 |
| 2023 | 529 | 453 |
| 2024 | 416 | 320 |
| 2025 | 331 | 245 |
| 2026 | 132 | 161 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04M 2203/20Related to features of supplementary servicesIndexing code3,829
- H04M 2203/60Related to security aspects in telephonic communication systemsIndexing code2,010
- H04M 2203/55Related to network data storage and managementIndexing code1,963
- H04M 2203/40Related to call centersIndexing code1,254
- H04M 2203/45Related to voicemail messagingIndexing code1,099
- H04M 2203/10Related to the purpose or context of the telephonic communicationIndexing code1,006
- H04M 2203/50Related to audio conferenceIndexing code996
- H04M 2203/25Related to user interface aspects of the telephonic communication serviceIndexing code922
All 13 subgroupsShow fewer
- H04M 2203/65Related to applications where calls are combined with other types of communicationIndexing code921
- H04M 2203/35Related to information services provided via a voice callIndexing code840
- H04M 2203/30Related to audio recordings in generalIndexing code644
- H04M 2203/05Related to oam&pIndexing code258
- H04M 2203/15Related to dial plan and call routingIndexing code245
Recent patents
- Detection and methods for handling a TDOS attack6 Oct 2026US 12,756,776 B2Intrado Life & Safety, Inc.
- Systems and methods for blocking or allowing calls in a wireless network29 Sep 2026US 12,750,444 B2Verizon Patent and Licensing Inc.
- Text alternative to established voice call session29 Sep 2026US 12,750,639 B2Comcast Cable Communications, LLC
- Uninterrupted media play and call management audio interface15 Sep 2026US 12,739,220 B2All Phase Consulting, Inc.
- Simultaneous uninterrupted media play, social networking and call management user interface15 Sep 2026US 12,739,222 B2
- Computer-implemented method for connecting a user to a mobile telephone-based language interpretation session8 Oct 2026US 2026/0310909 A1
- System and method for performing dual channel communications1 Oct 2026US 2026/0303724 A1Bank of America Corporation
- System, method, and apparatus for interactively charging a mobile device via induction24 Sep 2026US 2026/0291283 A1
- System and method for a multi-channel notification service24 Sep 2026US 2026/0292039 A1Twilio Inc.
- System24 Sep 2026US 2026/0292057 A1SoftBank Group Corp.
Most cited
By later US patents
- System and method for smart scripting call centers and configuration thereof2,196US 6,826,745 B2Siebel Systems, Inc. · 2004
- System and method for generating a dynamic interface via a communications network2,178US 6,850,949 B2Right Now Technologies, Inc. · 2005
- Personal communications internetworking1,899US 5,742,905 ABell Communications Research, Inc. · 1998
- Unified messaging system and method1,307US 5,608,786 AAlphanet Telecom Inc. · 1997
- System and method for instant VoIP messaging1,106US 7,535,890 B2Ayalogic, Inc. · 2009